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https://github.com/assimp/assimp

The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
https://github.com/assimp/assimp

3mf android asset-pipeline assets assimp c-plus-plus collada dae fbx fbx-exporter game-development gamedev-tool gamedevelopment ifc objective-c patreon python stl

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The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.

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README 

        
Open Asset Import Library (assimp)

==================================



Open Asset Import Library is a library to load various 3d file formats into a shared, in-memory format. It supports more than __40 file formats__ for import and a growing selection of file formats for export.



### Current project status ###

[![Financial Contributors on Open Collective](https://opencollective.com/assimp/all/badge.svg?label=financial+contributors)](https://opencollective.com/assimp) 

![C/C++ CI](https://github.com/assimp/assimp/workflows/C/C++%20CI/badge.svg)

[![Codacy Badge](https://app.codacy.com/project/badge/Grade/9973693b7bdd4543b07084d5d9cf4745)](https://www.codacy.com/gh/assimp/assimp/dashboard?utm_source=github.com&utm_medium=referral&utm_content=assimp/assimp&utm_campaign=Badge_Grade)

[![Join the chat at https://gitter.im/assimp/assimp](https://badges.gitter.im/assimp/assimp.svg)](https://gitter.im/assimp/assimp?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)

[![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/assimp/assimp.svg)](http://isitmaintained.com/project/assimp/assimp "Average time to resolve an issue")

[![Percentage of issues still open](http://isitmaintained.com/badge/open/assimp/assimp.svg)](http://isitmaintained.com/project/assimp/assimp "Percentage of issues still open")





APIs are provided for C and C++. There are various bindings to other languages (C#, Java, Python, Delphi, D). Assimp also runs on Android and iOS.

Additionally, assimp features various __mesh post-processing tools__: normals and tangent space generation, triangulation, vertex cache locality optimization, removal of degenerate primitives and duplicate vertices, sorting by primitive type, merging of redundant materials and many more.



### Documentation ###

Read [our latest documentation](https://assimp-docs.readthedocs.io/en/latest/).



### Pre-built binaries ###

Download binaries from [our Itchi Projectspace](https://kimkulling.itch.io/the-asset-importer-lib).



### Test data ###

Clone [our model database](https://github.com/assimp/assimp-mdb).



### Communities ###

- Ask questions at [the Assimp Discussion Board](https://github.com/assimp/assimp/discussions).

- Ask [the Assimp community on Reddit](https://www.reddit.com/r/Assimp/).

- Ask on [StackOverflow with the assimp-tag](http://stackoverflow.com/questions/tagged/assimp?sort=newest). 

- Nothing has worked? File a question or an issue-report at [The Assimp-Issue Tracker](https://github.com/assimp/assimp/issues)



And we also have a Gitter-channel:Gitter [![Join the chat at https://gitter.im/assimp/assimp](https://badges.gitter.im/assimp/assimp.svg)](https://gitter.im/assimp/assimp?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)



#### Supported file formats ####

See [the complete list of supported formats](https://github.com/assimp/assimp/blob/master/doc/Fileformats.md).



### Building ###

Start by reading [our build instructions](https://github.com/assimp/assimp/blob/master/Build.md). We are available in vcpkg, and our build system is CMake; if you used CMake before there is a good chance you know what to do.



### Ports ###

* [Android](port/AndroidJNI/README.md)

* [Python](port/PyAssimp/README.md)

* [.NET](https://bitbucket.org/Starnick/assimpnet/src/master/)

* [Pascal](port/AssimpPascal/Readme.md)

* [Javascript (Alpha)](https://github.com/makc/assimp2json)

* [Javascript/Node.js Interface](https://github.com/kovacsv/assimpjs)

* [Unity 3d Plugin](https://ricardoreis.net/trilib-2/)

* [Unreal Engine Plugin](https://github.com/irajsb/UE4_Assimp/)

* [JVM](https://github.com/kotlin-graphics/assimp) Full jvm port (current [status](https://github.com/kotlin-graphics/assimp/wiki/Status))

* [HAXE-Port](https://github.com/longde123/assimp-haxe) The Assimp-HAXE-port.

* [Rust](https://github.com/jkvargas/russimp)



### Other tools ###

[open3mod](https://github.com/acgessler/open3mod) is a powerful 3D model viewer based on Assimp's import and export abilities.

[Assimp-Viewer](https://github.com/assimp/assimp_view) is an experimental implementation for an Asset-Viewer based on ImGUI and Assimp (experimental).



#### Repository structure ####

Open Asset Import Library is implemented in C++. The directory structure looks like this:



	/code		Source code

	/contrib	Third-party libraries

	/doc		Documentation (doxysource and pre-compiled docs)

	/fuzz           Contains the test code for the Google Fuzzer project

	/include	Public header C and C++ header files

	/scripts 	Scripts are used to generate the loading code for some formats

	/port		Ports to other languages and scripts to maintain those.

	/test		Unit- and regression tests, test suite of models

	/tools		Tools (old assimp viewer, command line `assimp`)

	/samples	A small number of samples to illustrate possible use cases for Assimp



The source code is organized in the following way:



	code/Common			The base implementation for importers and the infrastructure

	code/CApi                       Special implementations which are only used for the C-API

	code/Geometry                   A collection of geometry tools

	code/Material                   The material system

	code/PBR                        An exporter for physical-based models

	code/PostProcessing		The post-processing steps

	code/AssetLib/	Implementation for import and export of the format



### Contributing ###

Contributions to assimp are highly appreciated. The easiest way to get involved is to submit

a pull request with your changes against the main repository's `master` branch.



## Contributors



### Code Contributors



This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].






### Financial Contributors



Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/assimp/contribute)]



#### Individuals






#### Organizations



Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/assimp/contribute)]






### License ###

Our license is based on the modified, __3-clause BSD__-License.



An _informal_ summary is: do whatever you want, but include Assimp's license text with your product -

and don't sue us if our code doesn't work. Note that, unlike LGPLed code, you may link statically to Assimp.

For the legal details, see the `LICENSE` file.



### Why this name ###

Sorry, we're germans :-), no English native speakers ...